Audi Workshop Service and Repair Manuals > A4 Mk2 > Vehicle electrics | Communication | Infotainment | Telephone system | Connectors and pin assignment | Telephone bracket R126

Overview of fitting locations (Saloon) > < Pre-fitted components for mobile phone installation

Telephone bracketR126

Telephone bracket -R126-

Connectors

A -	Multi-pin connector, 12-pin, black (T12)

B -	GSM connection (purple) from telephone aerial -R65- / aerial amplifier for mobile phone -R86-

Note

Contacts which are not listed are not used.

A91-10753

Multi-pin connector, 12-pin, black (T12)

1 -	Ser TX (+) to telephone transmitter and receiver unit -R36-

2 -	Terminal 30 from telephone transmitter and receiver unit -R36-

3 -	Ser Rx (+) from telephone transmitter and receiver unit -R36-

4 -	Terminal 31 from telephone transmitter and receiver unit -R36-

5 -	Microphone input (+) from telephone transmitter and receiver unit -R36-

6 -	NF+ (low frequency) to telephone transmitter and receiver unit -R36-

7 -	Ser TX (–) to telephone transmitter and receiver unit -R36-

8 -	Terminal 30 from telephone transmitter and receiver unit -R36-

9 -	Ser Rx (–) from telephone transmitter and receiver unit -R36-

10 -	SNDREQ signal to telephone transmitter and receiver unit -R36-

11 -	Microphone input (+) from telephone transmitter and receiver unit -R36-

12 -	NF– (low frequency) to telephone transmitter and receiver unit -R36-

A91-10753

Vehicle electrics
Communication / Infotainment
Telephone system / nnectors_and_pin_assignment/">Connectors and pin assignment
Telephone bracket R126

Overview of fitting locations (Saloon) > < Pre-fitted components for mobile phone installation